hpm6750/controller_yy_app/user_src/main.c

///*
// * Copyright (c) 2021 HPMicro
// *
// * SPDX-License-Identifier: BSD-3-Clause
// *
// */

//#include <stdio.h>
//#include "board.h"

//#include "test.h"
//#ifdef TEST_EN
//#include "bsp_V8M_YY_led.h"
//#include "bsp_V8M_YY_pwm.h"
// #include "bsp_V8M_YY_adc.h"
//#include "hard_system.h"
//#include "hard_system_time.h"
//#include "hard_system_delay.h"
//#include "hard_system_timer.h"
//#include "hard_imu_uart3.h"
//#include "hard_rc_sbus.h"
//#include "hard_can.h"
//#include "hard_sbus_out.h"
//#include "main.h"
//#include "hpm_math.h"
//#endif
///*
//1 手册：中断源优先级，有效值为 0 到 7。
//2 注意：内存缓存问题 catch
//  如果DMA要访问​ → 必须用非缓存宏
//  如果多核要共享​ → 必须用非缓存宏
//  如果频繁被中断更新​ → 建议用非缓存宏
//  其他情况​ → 不用修饰，让编译器优化
//3 注意配置顺序 IO-时钟-外设
//4 XDMA，作为主设备连接到 AXI 系统总线  HDMA，作为主设备连接到 AHB 外设总线 
//  当 XDMA 的 destination 为 DRAM 时，如果 burst 大于等于 16，那 destsize 必须为 64bit。
//  DMAMUX 的输出 0∼7 连接到外设总线 DMA 控制器 HDMA，DMAMUX 的输出 8∼15 连接到系统总线 DMA 控制器 XDMA
//  它们都连接在统一的 DMAMUX（DMA 多路复用器）
//  DMAMUX将所有外设的 DMA 请求（Request）统一管理，然后根据你的配置分配给 HDMA 或 XDMA 的任意空闲通道
//5 注意cfg文件和一些前置的工程配置文件，可能导致编译出错 运行出错 仿真不了 重点：链接文件、yaml、板级cfg文件
//*/
//uint64_t delta_time;
//#define PI (3.1415926f)
//void start_time(void)
//{
//    delta_time = hpm_csr_get_core_mcycle();
//}

//uint32_t get_end_time(void)
//{
//    delta_time = hpm_csr_get_core_mcycle() - delta_time;
//    return delta_time;
//}
//float theta ;
//float sin_theta;
//static void test_hard(void)
//{
//    // v8m_yy_led_test();
//    // v8m_yy_motor_pwm_test();
//    //  v8m_yy_adc_test();
//    // timer0_test();
//    // cpu_delay_test();
//    // timer1_test();
//    // can2_test();
//    // imu_uart3_test();
//    // uart2_sbus_test();
//    // system_test();
//    // sbus_uart2_out_test();
//    while(1)
//    {
//      theta += PI*0.1;
//      sin_theta = hpm_dsp_sin_f32(theta);
//      board_delay_ms(200);
//      printf("sin theta is %f\r\n", sin_theta);
//    }
     
//}
//int main(void)
//{
//    board_init();
//    float i = 9.8f;
   
//    sin_theta = hpm_dsp_sin_f32(theta);
    
   
//    printf("hello world %f\n", i);
//    printf("sin theta is %f\r\n", sin_theta);

//    test_hard();
//    return 0;
//}
//// DMA 最大4k



/*
 * Copyright (c) 2021 HPMicro
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 */

#include "board.h"
#include "hpm_sdmmc_sd.h"
#include "ff.h"
#include "diskio.h"

FATFS s_sd_disk;
FIL s_file;
DIR s_dir;
FRESULT fatfs_result;
BYTE work[FF_MAX_SS];

const TCHAR driver_num_buf[4] = { DEV_SD + '0', ':', '/', '\0' };

#define TEST_DIR_NAME "hpmicro_sd_test_dir0"

void show_menu(void);

const char *show_error_string(FRESULT fresult);

static FRESULT sd_mount_fs(void);

static FRESULT sd_mkfs(void);

static FRESULT sd_write_file(void);

static FRESULT sd_read_file(void);

static FRESULT sd_dir_test(void);

static FRESULT sd_big_file_test(void);

int main(void)
{
    bool need_init_filesystem = true;
    board_init();
    show_menu();

    while (1) {
        char option = getchar();

        /* Before doing FATFS operation, ensure the SD card is present */
        DSTATUS dstatus = disk_status(DEV_SD);
        if (dstatus == STA_NODISK) {
            printf("No disk in the SD slot, please insert an SD card...\n");
            do {
                dstatus = disk_status(DEV_SD);
            } while (dstatus == STA_NODISK);
            board_delay_ms(100);
            printf("Detected SD card, re-initialize the filesystem...\n");
            need_init_filesystem = true;
        }
        dstatus = disk_initialize(DEV_SD);
        if (dstatus != RES_OK) {
            printf("Failed to initialize SD disk\n");
        }
        if (need_init_filesystem) {
            fatfs_result = sd_mount_fs();
            if (fatfs_result == FR_NO_FILESYSTEM) {
                printf("There is no File system available, making file system...\n");
                fatfs_result = sd_mkfs();
                if (fatfs_result != FR_OK) {
                    printf("Failed to make filesystem, cause:%s\n", show_error_string(fatfs_result));
                } else {
                    need_init_filesystem = false;
                }
            }
        }

        switch (option) {
        case '1':
            fatfs_result = sd_mkfs();
            break;
        case '2':
            fatfs_result = sd_write_file();
            break;
        case '3':
            fatfs_result = sd_read_file();
            break;
        case '4':
            fatfs_result = sd_dir_test();
            break;
        case 's':
            fatfs_result = sd_big_file_test();
            break;
        default:
            show_menu();
            break;
        }
    }

}

void show_menu(void)
{
    const char menu_str[] = "SD FATFS demo\n-----------------------------------\n"
                            "1 - Format the SD card with FATFS\n"
                            "2 - Create hello.txt\n"
                            "3 - Read 1st line from hello.txt\n"
                            "4 - Directory related test\n"
                            "s - Large file write test\n"
                            "Others - Show menu\n";

    printf(menu_str);
}

static FRESULT sd_mount_fs(void)
{
    FRESULT fresult = f_mount(&s_sd_disk, driver_num_buf, 1);
    if (fresult == FR_OK) {
        printf("SD card has been mounted successfully\n");
    } else {
        printf("Failed to mount SD card, cause: %s\n", show_error_string(fresult));
    }

    fresult = f_chdrive(driver_num_buf);
    return fresult;
}

static FRESULT sd_mkfs(void)
{
    printf("Formatting the SD card, depending on the SD card capacity, the formatting process may take a long time\n");
    FRESULT fresult = f_mkfs(driver_num_buf, NULL, work, sizeof(work));
    if (fresult != FR_OK) {
        printf("Making File system failed, cause: %s\n", show_error_string(fresult));
    } else {
        printf("Making file system is successful\n");
    }

    return fresult;
}

static FRESULT sd_write_file(void)
{
    FRESULT fresult = f_open(&s_file, "readme.txt", FA_WRITE | FA_CREATE_ALWAYS);
    if (fresult != FR_OK) {
        printf("Create new file failed, cause: %d\n", show_error_string(fresult));
    } else {
        printf("Create new file successfully, status=%d\n", fresult);
    }
    char hello_str[] = "Hello, this is SD card FATFS demo\n";
    UINT byte_written;
    fresult = f_write(&s_file, hello_str, sizeof(hello_str), &byte_written);
    if (fresult != FR_OK) {
        printf("Write file failed, cause: %s\n", show_error_string(fresult));
    } else {
        printf("Write file operation is successfully\n");
    }

    f_close(&s_file);

    return fresult;
}

static FRESULT sd_read_file(void)
{
    FRESULT fresult = f_open(&s_file, "readme.txt", FA_READ);
    if (fresult != FR_OK) {
        printf("Open file failed, cause: %s\n", show_error_string(fresult));
    } else {
        printf("Open file successfully\n");
    }

    if (fresult != FR_OK) {
        return fresult;
    }

    TCHAR str[100];
    f_gets(str, sizeof(str), &s_file);
    printf("%s\n", str);

    f_close(&s_file);

    return fresult;
}

static FRESULT sd_big_file_test(void)
{
    FRESULT fresult = f_open(&s_file, "big_file.bin", FA_WRITE | FA_CREATE_ALWAYS);
    if (fresult != FR_OK) {
        printf("Create new file failed, cause: %s\n", show_error_string(fresult));
    } else {
        printf("Create new file successfully\n");
    }

    uint32_t write_size = 1024UL * 1024UL * 100UL;
    static uint8_t buf[32768];
    for (uint32_t i = 0; i < sizeof(buf); i++) {
        buf[i] = i & 0xFF;
    }
    while (write_size > 0) {
        UINT byte_written;
        fresult = f_write(&s_file, buf, sizeof(buf), &byte_written);
        if (fresult != FR_OK) {
            printf("Write file failed, cause: %s\n", show_error_string(fresult));
            return fresult;
        }

        write_size -= byte_written;
    }
    printf("Write file operation is successful\n");

    f_close(&s_file);

    return fresult;
}


static FRESULT sd_dir_test(void)
{
    FRESULT fresult = f_mkdir(TEST_DIR_NAME);
    if (fresult != FR_OK) {
        printf("Creating new directory failed, cause: %s\n", show_error_string(fresult));
    } else {
        printf("Creating new directory succeeded\n");
    }

    fresult = f_rmdir(TEST_DIR_NAME);
    if (fresult != FR_OK) {
        printf("Removing new directory failed, cause: %s\n", show_error_string(fresult));
    } else {
        printf("Removing new directory succeeded\n");
    }

    return fresult;
}

const char *show_error_string(FRESULT fresult)
{
    const char *result_str;

    switch (fresult) {
    case FR_OK:
        result_str = "succeeded";
        break;
    case FR_DISK_ERR:
        result_str = "A hard error occurred in the low level disk I/O level";
        break;
    case FR_INT_ERR:
        result_str = "Assertion failed";
        break;
    case FR_NOT_READY:
        result_str = "The physical drive cannot work";
        break;
    case FR_NO_FILE:
        result_str = "Could not find the file";
        break;
    case FR_NO_PATH:
        result_str = "Could not find the path";
        break;
    case FR_INVALID_NAME:
        result_str = "Tha path name format is invalid";
        break;
    case FR_DENIED:
        result_str = "Access denied due to prohibited access or directory full";
        break;
    case FR_EXIST:
        result_str = "Access denied due to prohibited access";
        break;
    case FR_INVALID_OBJECT:
        result_str = "The file/directory object is invalid";
        break;
    case FR_WRITE_PROTECTED:
        result_str = "The physical drive is write protected";
        break;
    case FR_INVALID_DRIVE:
        result_str = "The logical driver number is invalid";
        break;
    case FR_NOT_ENABLED:
        result_str = "The volume has no work area";
        break;
    case FR_NO_FILESYSTEM:
        result_str = "There is no valid FAT volume";
        break;
    case FR_MKFS_ABORTED:
        result_str = "THe f_mkfs() aborted due to any problem";
        break;
    case FR_TIMEOUT:
        result_str = "Could not get a grant to access the volume within defined period";
        break;
    case FR_LOCKED:
        result_str = "The operation is rejected according to the file sharing policy";
        break;
    case FR_NOT_ENOUGH_CORE:
        result_str = "LFN working buffer could not be allocated";
        break;
    case FR_TOO_MANY_OPEN_FILES:
        result_str = "Number of open files > FF_FS_LOCK";
        break;
    case FR_INVALID_PARAMETER:
        result_str = "Given parameter is invalid";
        break;
    default:
        result_str = "Unknown error";
        break;
    }
    return result_str;
}